package com.tong.service.user;

import com.tong.pojo.Books;
import com.tong.pojo.Users;

import java.util.List;

//BookService:底下需要去实现,调用dao层
public interface UserService {
    //查询全部Book,返回list集合
    List<Users> queryAllUser();

    //删除用户
    int deleteUser(String username);

    //添加用户
    int addUser(Users users);
}